One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,4)(21,22,27,31)(23,32,36,43)(24,29,40,48)(25,30,26,41)(28,35,44,34)(33,49,37,52)(38,46,39,47)(42,50,45,51)(5,6)(7,11)(8,12)(9,10)(13,19)(14,17)(15,20)(16,18)(21,23,25,35,27,36,26,34)(22,28,41,43,31,44,30,32)(24,37,39,51,40,33,38,50)(29,45,46,49,48,42,47,52)(2,4)(6,10)(11,17)(12,18)(19,20)(21,24)(22,29)(23,33)(25,39)(26,38)(27,40)(28,42)(30,47)(31,48)(32,49)(34,51)(35,50)(36,37)(41,46)(43,52)(44,45) involution — undirected(5,7,9,14)(6,11,10,17)(8,15,16,13)(12,20,18,19)(21,25,27,26)(22,30,31,41)(23,34,36,35)(24,38,40,39)(28,43,44,32)(29,46,48,47)(33,50,37,51)(42,49,45,52)(5,8,9,16)(6,12,10,18)(7,13,14,15)(11,19,17,20)(21,25,27,26)(22,30,31,41)(23,35,36,34)(24,39,40,38)(28,32,44,43)(29,47,48,46)(33,50,37,51)(42,49,45,52)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.